I will get the other predictions added to the OP later this evening.

The Playstation 3D display launched at $500, more than the ps3 at the time.
Granted it didn't sell much and hopefully Sony has learned a lesson from that.

PSVR $375 including one PSmove
PSVR $400 including camera and PSmove

299$ with camera, 250% without.
499$ bundled.

If this was PS3 era then yea I could understand. Sony seems to have wised up and they have a bunch of VR games in development so I think they'll be willing to take a bit of a loss and make it up in software sales.

$350 though, with a "must have" game, I'll gladly pay $500.

You know, I keep forgetting about that... surly, Sony will pack in some games with it.  Like the other are doing... but which games.  NMS might not launch with VR but Sony also has more high profile content then the others as well. Like GT Sport

$399

that'd be weird as the camera is required for PSVR to work properly, even if you use a DS4 to play

without the cam there would be only rotational head tracking, which makes for a subpar (cellphone-esque) VR experience